Castellum, Inc. (CTM) Holders & Ownership

Castellum, Inc. (CTM) ownership: Jay O. Wright 19% · institutions 7% · index and ETF funds 2% (13F 2026-03-31). Insider activity, 90 days: Insiders bought (0 sales, 4 open-market buys). SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
Vanguard3526925.00$2.08M3.7%2026-03-31
Geode Capital Management944899.00$557149.001.0%2026-03-31
Meridian Wealth Management, LLC785800.00$463229.000.8%2026-03-31
Captrust Financial Advisors626100.00$369086.000.7%2026-03-31
Goldman Sachs353526.00$319305.000.4%2026-03-31
Quadrature Capital Ltd217471.00$196420.000.2%2026-03-31
State Street303900.00$179149.000.3%2026-03-31
BlackRock265486.00$156504.000.3%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Buynull2026-07-01
Sellnull2026-07-01
Buynull2026-07-01
Buynull2026-07-01
Buynull2026-07-01
Sellnull2026-03-31
Sellnull2026-03-31
Sellnull2026-03-31

Back to CTM overview · CTM earnings · All congressional trades

Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.